Background
Dennis Mahony was born on 21 of January 1820 in Rosscarbery, Ireland. By 1831 his family had emigrated to Philadelphia.
Dennis Mahony was born on 21 of January 1820 in Rosscarbery, Ireland. By 1831 his family had emigrated to Philadelphia.
Dennis Mahony studied theology and law before moving to Iowa in 1843 but initially held several other jobs (teaching, postmaster, justice of the peace) before being admitted to the bar in 1847.
Dennis Mahony was elected to the Iowa House of Representatives from Jackson County in 1848 and in 1858. In 1849 he became editor of The Miner's Express. Also, he held several other jobs (teaching, postmaster, justice of the peace) before being admitted to the bar in 1847.
After serving in the law offices of prominent attorney Charles J. Ingersoll, he settled in Dubuque, Iowa, in 1843. In addition to his legal career, Dennis Mahony contributed to early education in Iowa and remained active in publishing. After serving in minor appointive posts, in 1848 Dennis Mahony took a seat in the Iowa General Assembly.
And in 1852 he co-founded the Dubuque Herald, the first daily paper in Iowa.
Dennis Mahony was arrested on August 14, 1862, by the United States. Marshal Her Majesty Hoxie for publishing an editorial article that was allegedly disloyal to the government. He was transported from Dubuque to Washington Doctorate.C and held at the Old Capitol Prison. He was released from prison on November 10, but only after signing a document stating that he would "form an allegiance to the United States, and would not bring any charges against those who had arrested and confined him." During his captivity, he was the Democratic nominee for Congress. Dennis Mahony was defeated by William B. Allison. He would later serve two terms as sheriff of Dubuque County. He wrote a book about his experience entitled Prisoner of State which was published in 1863.
Dennis Mahony, Stilson Hutchins, and John Hodnett established the Saint Louis Star newspaper in 1866, but Mahony sold his share and returned to Dubuque, where he edited the Dubuque Telegraph until his death.
Dennis Mahony is buried at Saint Patrick's Cemetery in Garryowen, Iowa in the northwest corner of Jackson County, a few miles south of Bernard, Iowa.
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Dennis Mahony was active in regional politics. He was a highly partisan Northern Democrat of Copperhead sympathies and wrote articles that negatively criticized Abraham Lincoln and the conduct of the Civil War.